2007121520

素因数分解:

$2^4\times 5^1\times {\mathrm{25089019}}^1$

素因数の和:25089032

約数の個数: 20

約数和(自身を含む): 4666557720

約数和(自身を除く): 2659436200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25089019, 50178038, 100356076, 125445095, 200712152, 250890190, 401424304, 501780380, 1003560760, 2007121520]

約数ペア:

[(1, 2007121520), (2, 1003560760), (4, 501780380), (5, 401424304), (8, 250890190), (10, 200712152), (16, 125445095), (20, 100356076), (40, 50178038), (80, 25089019)]